Home / 777,099.75-1,165,715.64-216,134.25

Finding the Fourth Proportional to 777,099.75, 1,165,715.64 and 216,134.25

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Solution

The fourth proportional to 777,099.75, 1,165,715.64 and 216,134.25 is: 324,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,099.75 : 1,165,715.64 = 216,134.25 : x
  2. Step 2: Convert to fraction form
    777,099.75/1,165,715.64 = 216,134.25/x
  3. Step 3: Cross multiply
    777,099.75x = 1,165,715.64 × 216,134.25
  4. Step 4: Simplify right side
    777,099.75x = 251,951,075,564.67
  5. Step 5: Solve for x
    x = 251,951,075,564.67/777,099.75
  6. Step 6: Final answer
    x = 324,219.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.